Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 249 · 40 questions

Remember (Find the topic, use the idea): Read the question and find its topic: hardware or software, units, memory, files, or editing text. Use that lesson’s idea — can you touch it, multiply to change units, RAM forgets, which file action, which shortcut. For unit sums, write the rule first (1 byte = 8 bits, 1 KB = 1024 bytes) and then multiply.

1. 1.True or false: a microphone is an input device. (a) False (b) True
2. 2.True or false: Ctrl+Y is the shortcut to select all. (a) True (b) False
3. 3.Which of these is true of storage (like a hard disk)? (a) keeps photos for years (b) holds apps that are open (c) loses data when off (d) is the working memory
4. 4.True or false: a speaker is software. (a) True (b) False
5. 5.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
6. 6.🧩 Is a paint program hardware or software? (a) software (b) hardware
7. 7.🧩 Is a computer game hardware or software? (a) software (b) hardware
8. 8.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
9. 9.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) copy (c) create (d) save
10. 10.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) byte (d) KB
11. 11.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+P (d) Ctrl+C
12. 12.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) type and edit text (d) cook food
13. 13.True or false: a pen drive is a storage device. (a) True (b) False
14. 14.⚡ Which is faster for the computer to work with? (a) a pen drive (b) RAM (c) a printer (d) a memory card
15. 15.✋ Which can we touch: hardware or software? (a) hardware (b) software
16. 16.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
17. 17.True or false: a computer game is software. (a) False (b) True
18. 18.True or false: RAM keeps data when off. (a) True (b) False
19. 19.🏷️ Every file has a ___ so we can find it. (a) smell (b) name (c) weight (d) taste
20. 20.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
21. 21.Which file ending is a picture? (a) .mp3 (b) .pdf (c) .gif (d) .wav
22. 22.True or false: to delete a file means to get rid of it. (a) False (b) True
23. 23.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) tailors (d) farmers
24. 24.💾 How many MB are there in 2 GB?
25. 25.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+V
26. 26.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
27. 27.Which file ending is a sound? (a) .png (b) .avi (c) .mp3 (d) .pdf
28. 28.True or false: RAM is permanent storage. (a) True (b) False
29. 29.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+B (c) Ctrl+U (d) Ctrl+I
30. 30.Which of these is an output device? (a) scanner (b) printer (c) mouse (d) microphone
31. 31.Which of these is software? (a) a paint program (b) a keyboard (c) a mouse (d) a pen drive
32. 32.🔍 Which is the odd one out? (a) a webcam (b) a speaker (c) a mouse (d) an operating system
33. 33.🔍 Which is the odd one out? (a) microphone (b) keyboard (c) hard disk (d) scanner
34. 34.💾 How many GB are there in 1 TB?
35. 35.🧰 Is a printer a storage, input or output device? (a) an output device (b) an input device (c) a storage device
36. 36.True or false: Ctrl+X is the shortcut to copy. (a) False (b) True
37. 37.True or false: to copy a file means to make a brand-new one. (a) True (b) False
38. 38.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) redo (c) select all (d) undo
39. 39.True or false: a hard disk is hardware. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) mouse (b) scanner (c) solid-state drive (d) microphone

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets